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author | Rafael Espindola <rafael.espindola@gmail.com> | 2013-10-14 16:39:04 +0000 |
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committer | Rafael Espindola <rafael.espindola@gmail.com> | 2013-10-14 16:39:04 +0000 |
commit | 67b28826cdc7be697acdd3e536a05665fd2a9752 (patch) | |
tree | 2077ea88a1e330aa67fb2bf03b9a1136f5f03219 /lib/CodeGen/Passes.cpp | |
parent | 2a6cbba2db261d2ee29a1373e195f95fd232e61b (diff) | |
download | llvm-67b28826cdc7be697acdd3e536a05665fd2a9752.tar.gz llvm-67b28826cdc7be697acdd3e536a05665fd2a9752.tar.bz2 llvm-67b28826cdc7be697acdd3e536a05665fd2a9752.tar.xz |
Remove the now unused strong phi elimination pass.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192604 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/Passes.cpp')
-rw-r--r-- | lib/CodeGen/Passes.cpp | 17 |
1 files changed, 3 insertions, 14 deletions
diff --git a/lib/CodeGen/Passes.cpp b/lib/CodeGen/Passes.cpp index 84eb8b876f..f4ffd03ec3 100644 --- a/lib/CodeGen/Passes.cpp +++ b/lib/CodeGen/Passes.cpp @@ -58,8 +58,6 @@ OptimizeRegAlloc("optimize-regalloc", cl::Hidden, static cl::opt<cl::boolOrDefault> EnableMachineSched("enable-misched", cl::Hidden, cl::desc("Enable the machine instruction scheduling pass.")); -static cl::opt<bool> EnableStrongPHIElim("strong-phi-elim", cl::Hidden, - cl::desc("Use strong PHI elimination.")); static cl::opt<bool> DisablePostRAMachineLICM("disable-postra-machine-licm", cl::Hidden, cl::desc("Disable Machine LICM")); @@ -675,24 +673,15 @@ void TargetPassConfig::addOptimizedRegAlloc(FunctionPass *RegAllocPass) { // preferably fix the scavenger to not depend on them). addPass(&LiveVariablesID); - // Add passes that move from transformed SSA into conventional SSA. This is a - // "copy coalescing" problem. - // - if (!EnableStrongPHIElim) { - // Edge splitting is smarter with machine loop info. - addPass(&MachineLoopInfoID); - addPass(&PHIEliminationID); - } + // Edge splitting is smarter with machine loop info. + addPass(&MachineLoopInfoID); + addPass(&PHIEliminationID); // Eventually, we want to run LiveIntervals before PHI elimination. if (EarlyLiveIntervals) addPass(&LiveIntervalsID); addPass(&TwoAddressInstructionPassID); - - if (EnableStrongPHIElim) - addPass(&StrongPHIEliminationID); - addPass(&RegisterCoalescerID); // PreRA instruction scheduling. |